Journal of Combinatorial Optimization
Journal of Combinatorial Optimization > 2012 > 24 > 1 > 15-31
Journal of Combinatorial Optimization > 2012 > 24 > 1 > 32-51
Journal of Combinatorial Optimization > 2012 > 24 > 1 > 52-64
Journal of Combinatorial Optimization > 2012 > 24 > 1 > 1-14